Can UI Automation be disabled for an entire WPF 4.0 app?

Question

We are developing a WPF 4.0 application for internal use.
On some clients, we are experiencing huge performance issues due to UI automation (these clients have software i

Answer 1

Try some cargo-cult programming:

WindowInteropHelper helper = new WindowInteropHelper(mainWindow);
        AutomationElement mainWindowAutomationElement = AutomationElement.FromHandle(helper.Handle);
        Automation.Automation.AddStructureChangedEventHandler(mainWindowAutomationElement, TreeScope.Descendants, AutomationFix);

      void AutomationFix(object sender, StructureChangedEventArgs e)
  {
            AutomationElement element = sender as AutomationElement;
    Automation.Condition condition = new PropertyCondition(AutomationElement.NameProperty, "!!");
    AutomationElement automationElement = element.FindFirst(TreeScope.Children, condition);
  }